Pulsed-Dye Laser (PDL) for Facial Vessels in Korea

What it is ➝ The pulsed-dye laser (PDL) emits light at 585–595 nm, which is strongly absorbed by oxyhemoglobin, making it highly effective for treating vascular lesions. ➝ It delivers pulses of energy that cause selective photothermolysis, coagulating blood vessels while sparing surrounding tissue. ➝ It is widely used for facial telangiectasia, rosacea, diffuse erythema, […]

Laser Vein Treatment – KTP 532 nm (Facial) in Korea

What it is ➝ The KTP 532 nm laser (potassium titanyl phosphate) is a vascular laser that emits green light at 532 nanometers, strongly absorbed by oxyhemoglobin in blood vessels. ➝ It is used to selectively target and coagulate superficial blood vessels, making it highly effective for facial telangiectasia, diffuse redness, spider angiomas, rosacea-related veins, […]

Hirsutism – Anti-Androgen Regimen in Korea

What it is ➝ Hirsutism is excessive, male-pattern hair growth in women, typically affecting the face, chest, abdomen, and thighs. ➝ It is caused by increased androgen activity at the hair follicle, often linked to polycystic ovary syndrome (PCOS), adrenal disorders, medications, or idiopathic hyperandrogenism. ➝ Anti-androgen regimens target this pathway, reducing hair growth over […]

Traction Alopecia Counseling in Korea

What it is ➝ Traction alopecia (TA) is a form of hair loss caused by chronic pulling or tension on the hair follicles. ➝ It is commonly seen along the frontal hairline, temples, and sides of the scalp, but can affect any area exposed to sustained traction. ➝ Typical causes include tight hairstyles (ponytails, braids, […]

Trichoscopy in Hair Clinics in Korea

What it is ➝ Trichoscopy is a non-invasive, high-resolution imaging technique that uses a dermatoscope or digital video dermatoscope to evaluate the scalp and hair. ➝ It magnifies the scalp surface (10–200×) and allows visualization of hair shafts, follicles, perifollicular structures, and scalp skin changes. ➝ It is now an essential diagnostic and monitoring tool […]

Low-Dose Oral Minoxidil (Hair) in Korea

What it is ➝ Oral minoxidil was originally developed as an antihypertensive medication (a vasodilator), but at low doses it has been repurposed for hair growth stimulation. ➝ Unlike topical minoxidil, which works only at the site of application, oral minoxidil provides systemic follicular stimulation, often producing more consistent regrowth in both men and women. […]

Alopecia Areata Management in Korea

What it is ➝ Alopecia areata (AA) is an autoimmune disease in which T-cells attack the hair follicle, leading to non-scarring hair loss. ➝ It typically presents as round, well-defined bald patches, but can progress to alopecia totalis (loss of all scalp hair) or alopecia universalis (loss of all body hair). ➝ The course is […]

Uremic Pruritus – Dermatology Care in Korea

What it is ➝ Uremic pruritus (UP), also called chronic kidney disease–associated pruritus (CKD-aP), is a systemic itch syndrome seen in patients with advanced renal failure, especially those on dialysis. ➝ It presents as generalized or localized itching without primary skin lesions, but long-standing scratching leads to excoriations, lichenification, nodules, and pigment changes. ➝ The […]

Cholestatic Pruritus – Dermatology Support in Korea

What it is ➝ Cholestatic pruritus is a distressing itch that occurs when bile flow is impaired, leading to the accumulation of bile acids, endogenous opioids, and pruritogens in the body. ➝ It is seen in conditions such as primary biliary cholangitis (PBC), primary sclerosing cholangitis (PSC), intrahepatic cholestasis of pregnancy, viral hepatitis, and drug-induced […]

Neuropathic Itch – Gabapentinoids in Korea

What it is ➝ Neuropathic itch is chronic pruritus caused by damage or dysfunction of the peripheral or central nervous system, rather than skin inflammation. ➝ It can occur in conditions such as post-herpetic neuralgia, notalgia paresthetica, brachioradial pruritus, diabetic neuropathy, multiple sclerosis, stroke, or spinal cord disease. ➝ Gabapentinoids (gabapentin and pregabalin) are anticonvulsant […]